Joining cast iron and steel

[randyc]

Can't recall where I read about this MIG method but it worked just fine for me, even with my shaky hands and sh---y welding skills:

http://www.metalworkingfun.com/showthread.php?tid=3637

The trick is not to confine the parts, by where the welds are located, that lock in stresses; make the tacks in logical sequence and allow LOTS of cooling time between welds. Seemed obvious once I read the description.